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Gastroenterologists in Michigan

Data updated monthly · Last refresh October 2026

552 Gastroenterology providers practice in Michigan, including 221 (40%) offering telehealth. The largest concentration is in Ann Arbor. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

552providers
221telehealth
Ann Arbortop city

Gastroenterology by city in Michigan

Choose a city to see providers there.

Gastroenterology in Ann Arbor95 providers
Gastroenterology in Detroit50 providers
Gastroenterology in Ypsilanti35 providers
Gastroenterology in Grand Rapids33 providers
Gastroenterology in Troy18 providers
Gastroenterology in Farmington Hills18 providers
Gastroenterology in Southfield16 providers
Gastroenterology in Clinton Township16 providers
Gastroenterology in East Lansing16 providers
Gastroenterology in Dearborn15 providers
Gastroenterology in Saginaw12 providers
Gastroenterology in Wyoming11 providers
Gastroenterology in Royal Oak10 providers
Gastroenterology in Holland10 providers
Gastroenterology in Traverse City10 providers
Gastroenterology in St Clair Shores9 providers
Gastroenterology in Muskegon9 providers
Gastroenterology in Lansing9 providers
Gastroenterology in Marquette9 providers
Gastroenterology in Portage9 providers
Gastroenterology in Kalamazoo9 providers
Gastroenterology in Saint Clair Shores8 providers
Gastroenterology in Grand Blanc8 providers
Gastroenterology in Flint8 providers

Gastroenterology providers in Michigan

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Said Saie, M.D.
Westland, MI · No drug or device payments recorded (2025) · (734) 721-7515
Dr. Frank Singh, D.O.
Woodhaven, MI · $1,400 in drug and device payments (2025) · Telehealth · (734) 692-6566
Dr. Omar Al-subee, MD
Wyandotte, MI · $613 in drug and device payments (2025) · (734) 246-6000
Dr. Oussama Al Sawas, M.D.
Wyandotte, MI · No drug or device payments recorded (2025) · (734) 671-6741
Dr. Stephen Watts, MD
Wyandotte, MI · $3,552 in drug and device payments (2025) · Telehealth · (734) 285-2405
Dr. Sudarshan Singal, M.D.
Wyandotte, MI · No drug or device payments recorded (2025) · (734) 283-4460
Dr. Allan Coates, DO
Wyoming, MI · $224 in drug and device payments (2025) · (616) 452-7099
Dr. Ammar Hassan, M.D
Wyoming, MI · $2,762 in drug and device payments (2025) · Telehealth · (616) 252-5775
Dr. Armita Ghoddousi, DO
Wyoming, MI · $14 in drug and device payments (2025) · (616) 252-5775
Dr. Gregory Cammell, MD
Wyoming, MI · No drug or device payments recorded (2025) · (616) 241-6380
Dr. Heidi Putt, DO
Wyoming, MI · $15 in drug and device payments (2025) · (616) 249-5300
Dr. John Serini, DO
Wyoming, MI · $26 in drug and device payments (2025) · (616) 828-5727
Dr. Joyce Loh, MD
Wyoming, MI · $412 in drug and device payments (2025) · (616) 252-5775
Dr. Lucas Watts, D.O.
Wyoming, MI · $206 in drug and device payments (2025) · (616) 252-5775
Dr. Luke Deroo, D.O.
Wyoming, MI · $120 in drug and device payments (2025) · (616) 252-5775
Dr. Ryan Hamby, DO
Wyoming, MI · $146 in drug and device payments (2025) · (616) 252-5775
Dr. Thomas Riley, MD
Wyoming, MI · $53 in drug and device payments (2025) · Telehealth · (505) 462-6200
Dr. Aciel Shaheen
Ypsilanti, MI · $28 in drug and device payments (2025) · Telehealth · (734) 712-8633
Dr. Ali Yazdani, M.D.
Ypsilanti, MI · $52 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Andrew Catanzaro, M.D.
Ypsilanti, MI · $170 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Anthony Debenedet, M.D.
Ypsilanti, MI · $318 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Aws Hasan
Ypsilanti, MI · No drug or device payments recorded (2025) · Telehealth · (734) 434-6262
Dr. Bradley Warren, D.O.
Ypsilanti, MI · $1,625 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Christopher Picking, MD
Ypsilanti, MI · No drug or device payments recorded (2025) · (734) 712-3456
Dr. Emily Tommolino, M.D.
Ypsilanti, MI · $334 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Jeffrey Barnett, M.D.
Ypsilanti, MI · No drug or device payments recorded (2025) · (734) 434-6262
Dr. Jeffrey Gibbs, MD
Ypsilanti, MI · $18 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Jeremy Farida, MD
Ypsilanti, MI · $325 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. John Walsh, M.D.
Ypsilanti, MI · No drug or device payments recorded (2025) · Telehealth · (734) 434-6262
Dr. Kevin Platt, MD
Ypsilanti, MI · $97 in drug and device payments (2025) · Telehealth · (734) 822-2826
Dr. Kevin Wenzke, M.D.
Ypsilanti, MI · $29 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Krishnavel Chathadi, MD
Ypsilanti, MI · $1,573 in drug and device payments (2025) · (734) 434-6262
Dr. Larry Adler, M.D.
Ypsilanti, MI · $23 in drug and device payments (2025) · (734) 434-6262
Dr. Lisa Glass, M.D.
Ypsilanti, MI · $90 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Manus Krasman, M.D.
Ypsilanti, MI · No drug or device payments recorded (2025) · (734) 434-6262
Dr. Marc Piper, MD
Ypsilanti, MI · $236 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Mark Zeglis, M.D.
Ypsilanti, MI · $29 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Megan Aaronson, MD, MSCR
Ypsilanti, MI · $30 in drug and device payments (2025) · (734) 434-6262
Dr. Michael Fayad, DO
Ypsilanti, MI · No drug or device payments recorded (2025) · (734) 434-6262
Dr. Michael Fine, MD
Ypsilanti, MI · $1,818 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Michael Piper, MD
Ypsilanti, MI · $645 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Miriam Thomas, M.D.
Ypsilanti, MI · $17 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Mohannad Abousaleh, MD
Ypsilanti, MI · $239 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Najm Soofi, M.D.
Ypsilanti, MI · $129 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Paul Corsello, M.D.
Ypsilanti, MI · $168 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Raghavendra Paknikar, MD
Ypsilanti, MI · $1,407 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Robert Stoler, M.D.
Ypsilanti, MI · $291 in drug and device payments (2025) · (734) 434-6262
Dr. Russell Keinath, M.D.
Ypsilanti, MI · No drug or device payments recorded (2025) · (734) 434-6262
Dr. Stephen Berger, M.D.
Ypsilanti, MI · $151 in drug and device payments (2025) · Telehealth · (734) 434-6262
Dr. Stevany Peters, M.D.
Ypsilanti, MI · $17 in drug and device payments (2025) · Telehealth · (734) 434-6262

Conditions Gastroenterology providers in Michigan commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Gastroenterology providers are in Michigan?

There are 552 Gastroenterology providers with active NPI records practicing in Michigan, according to federal NPPES data refreshed monthly.

Do Gastroenterology providers in Michigan offer telehealth?

Yes. 221 of the 552 Gastroenterology providers in Michigan (about 40%) report offering telehealth services in CMS data.

Which cities in Michigan have the most Gastroenterology providers?

Ann Arbor (95), Detroit (50), Ypsilanti (35) have the highest concentration of Gastroenterology providers in Michigan.

How many Gastroenterology providers in Michigan received drug or device company payments?

348 of 552 Gastroenterology providers in Michigan (63%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Gastroenterology providers in Michigan treat?

Gastroenterology providers commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Gastroenterologists in Michigan work in independent practices or large health systems?

Among 390 Gastroenterologists in Michigan enrolled in Medicare, 16% bill through a solo or small practice with fewer than 10 clinicians, 18% through a mid-size group of 10 to 99, and 66% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Gastroenterologists in Michigan work at?

According to CMS facility affiliation records, the Michigan hospitals where the most Gastroenterologists hold privileges are University of Michigan Health System in Ann Arbor; Henry Ford Health Hospital in Detroit; Beaumont Hospital Royal Oak in Royal Oak.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Gastroenterology in Michigan? Get featured.